package com.fxsen.commons.web.core.config;

import org.aspectj.lang.annotation.Aspect;
import org.springframework.aop.Advisor;
import org.springframework.aop.aspectj.AspectJExpressionPointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.interceptor.DefaultTransactionAttribute;
import org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource;
import org.springframework.transaction.interceptor.TransactionInterceptor;

/**
 * 全局事务支持
 *
 * @author fxsen
 *
 */
@Aspect
@Configuration
public class TransactionAdviceConfig {

	private static final String AOP_POINTCUT_EXPRESSION = "execution(* com.fxsen.*.service.impl.*.*(..))";

	@Autowired
	private PlatformTransactionManager transactionManager;

	@Bean
	public TransactionInterceptor txAdvice() {

		DefaultTransactionAttribute txAttr_REQUIRED = new DefaultTransactionAttribute();
        txAttr_REQUIRED.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
		DefaultTransactionAttribute txAttr_REQUIRED_READONLY = new DefaultTransactionAttribute();
        txAttr_REQUIRED_READONLY.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);

		txAttr_REQUIRED_READONLY.setReadOnly(true);

		NameMatchTransactionAttributeSource source = new NameMatchTransactionAttributeSource();
        source.addTransactionalMethod("*", txAttr_REQUIRED);
        /*source.addTransactionalMethod("select*", txAttr_REQUIRED_READONLY);
        source.addTransactionalMethod("likeSelect*", txAttr_REQUIRED_READONLY);*/
		return new TransactionInterceptor(transactionManager, source);
	}

	@Bean
	public Advisor txAdviceAdvisor() {
		AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
		pointcut.setExpression(AOP_POINTCUT_EXPRESSION);
		return new DefaultPointcutAdvisor(pointcut, txAdvice());
	}
}
